Re: optimistic-io vs. async-io

optimistic-io has had very little testing even if it has been there for
ages. Because of this it has been removed from Squid-2.3 and Squid-2.4.

The ideas behind it might however reoccur as the default mode of
operation in a later Squid version.

async-io and optimistic-io are not meant to be exclusive as they are
fundamentally different things, but I think there was some bug which
prevented both from being used at the same time.

--
Henrik Nordstrom
Squid hacker
andre-squid-users@online.ee wrote:
> 
>  hi,
> 
>  async-io and optimistic-io options are exclusive, right?
>  due to our cpu being overloaded I've decided to try squid
>  2.2s5-hno without async-io.
> 
>  I wonder what would optimistic-io give, or take, in regards
>  to performance?
> 
>  andre,